50646787 has 4 divisors (see below), whose sum is σ = 50969536. Its totient is φ = 50324040.

The previous prime is 50646779. The next prime is 50646793. The reversal of 50646787 is 78764605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50646787 - 2³ = 50646779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50646727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161139 + ... + 161452.

It is an arithmetic number, because the mean of its divisors is an integer number (12742384).

Almost surely, 2^50646787 is an apocalyptic number.

50646787 is a deficient number, since it is larger than the sum of its proper divisors (322749).

50646787 is a wasteful number, since it uses less digits than its factorization.

50646787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322748.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 50646787 is about 7116.6556049875. The cubic root of 50646787 is about 369.9848715509.

The spelling of 50646787 in words is "fifty million, six hundred forty-six thousand, seven hundred eighty-seven".